1. Associate Professor, Dept. of Civil Engineering, Lamar Univ., Beaumont, TX 77710-0024 (corresponding author).
2. Doctoral Candidate, Dept. of Civil Engineering, Lamar Univ., Beaumont, TX 77710-0024.
3. Master Candidate, Dept. of Civil Engineering, Lamar Univ., Beaumont, TX 77710-0024.